Hydraulic Controller For Positioning And Pressure Controls

The position controller has been completely redesigned to get the best dynamics and highest positioning accuracy. Two analog inputs for two pressure sensors, an analog input for position control and an SSI interface meet all market requirements. In addition to the standard position control, the following options are implemented:

• Direct control, the target position can be changed at any time via the fieldbus
• Rapid / creep speed for automatically driving through predefined profiles
• Drift compensation for correct zero point adjustment, controllable via the fieldbus
• Fine positioning to compensate for position errors due to external influences (external forces)
• path-dependent braking or NC control
• P or PT1 position controller, for stable and dynamic positioning
• simplified and intuitive parameterization

In addition, a PQ pressure control function can be activated (with or without position controller). In PQ mode, typically both pressures are measured to form the differential pressure.

The interface to the PLC is available as a Profibus interface. All setpoints and all feedback (process data) are available in the Profibus protocol. The module can also be parameterized via the Profibus. (qui)